Advertisements
Advertisements
Question
Identify giving reason whether the following compound is aromatic or not.
Solution
The compound is non-aromatic since it has 4π electrons and hence, does not obey the Huckel rule of aromaticity.
APPEARS IN
RELATED QUESTIONS
Identify giving reason whether the following compound is aromatic or not.
Which of the following compounds will not undergo Friedal – crafts reaction easily ? (NEET)
Which of the following can be used as the halide component for friedal - crafts reaction?
Which of the following is aliphatic saturated hydrocarbon?
Identify the compound 'Z' in the following reaction
\[\ce{C2H6O ->[Al2O3][623 K] X ->[O3] Y ->[Zn/H2O] (Z)}\]
Give IUPAC name for the following compound.
Ethyl isopropyl acetylene
Give IUPAC name for the following compound.
\[\ce{CH ≡ C – C ≡ C – C ≡ CH}\]
Identify the compound A, B, C and D in the following series of reactions.
Suggest the route for the preparation of the following from benzene.
Bromo benzene
Suggest the route for the preparation of the following from benzene.
m - dinitro benzene
What happens when ethylene is passed through cold dilute alkaline potassium permanganate.
Write the structure of the following alkanes.
5 – (2 – Ethyl butyl) – 3, 3 – dimethyldecane
How will you prepare propane from a sodium salt of fatty acid?
When acetylene is passed through red hot iron tube at 873 K, ____________ is/are obtained as product/s.
A compound with molecular formula C4H4O has all the four carbon atom and the oxygen atom in the ring. It also has two carbon-carbon double bonds. The compound is ____________.
−Cl group is ____________.
Phenol on distillation with zinc dust gives ____________.
According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.
Direct bromination of benzene with excess reagent results in the formation of ____________.
Dow's process is used for the synthesis of an aromatic compound (X). Identify X.
Which of the following molecules has shortest C - C bond length?
The treatment of benzene with iso - butene in the presence of sulphuric acid gives:
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- Write the IUPAC name of the product.
- State the rule that governs the formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
- Write the IUPAC name of the product.
- State the rule that governs the formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{.............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{...............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]
- Write the IUPAC name of the product.
- State the rule that governs the formation of this product.